US20130313929A1 - Control device and rotating electric machine integral with control device - Google Patents
Control device and rotating electric machine integral with control device Download PDFInfo
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- US20130313929A1 US20130313929A1 US13/871,568 US201313871568A US2013313929A1 US 20130313929 A1 US20130313929 A1 US 20130313929A1 US 201313871568 A US201313871568 A US 201313871568A US 2013313929 A1 US2013313929 A1 US 2013313929A1
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- Prior art keywords
- housing
- control device
- control
- connector
- connection terminals
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- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 239000011295 pitch Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H02K11/0073—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
Definitions
- the present invention relates to a control device having a structure which is adaptable to a change of a mounting direction of an external-connection connector and a change of a type of external-connection connector, and to a rotating electric machine integral with a control device, which is obtained by integrating the control device and a rotating electric machine.
- a motor for an electric power steering device which includes an external-connection connector and a control section including control-section connection terminals electrically connected to connector connection terminals of the external-connection connector.
- the external-connection connector and the control section are formed as a single component (for example, see Japanese Patent No. 4551166 (page 12, FIG. 1, and page 13, FIG. 3) and Japanese Patent Application Laid-open No. 2010-28925 (page 16, and FIGS. 1, 2, and 3)).
- control section including the control-section connection terminals and the external-connection connector are formed as a single integral component. Therefore, a different type of control device is required to be prepared, for example, when a direction of removal of the external-connection connector is different. Therefore, the conventional motors for an electric power steering device have a problem of increasing cost.
- the present invention has been made to solve the problem described above, and therefore has an object to provide a control device capable of significantly reducing cost without the need of preparing a different type of control device for each change of a mounting direction of an external-connection connector and each change of the type of external-connection connector, and provide a rotating electric machine integral with a control device, which is obtained by integrating the control device and a rotating electric machine.
- a control device including:
- a housing having a cylindrical shape with a closed end, the housing including a housing projecting portion, and a housing hole portion formed through the housing projecting portion projecting in a radial direction;
- control section housed inside the housing, the control section including control-section connection terminals, to which an external signal is input from outside of the housing, and an electronic component for performing computation processing on the external signal;
- a heat sink including a heat-sink projecting portion, and a heat-sink hole portion formed through the heat-sink projecting portion projecting in the radial direction, for closing an opening portion of the housing;
- an external-connection connector to be fixed to one of the housing projecting portion and the heat-sink projecting portion, the external-connection connector including connector connection terminals to be electrically connected to the control-section connection terminals;
- connector connection terminals and the control-section connection terminals pass through one of the housing hole portion and the heat-sink hole portion, which is covered with the cover, so as to be electrically connected to each other at respective distal end portions.
- a rotating electric machine integral with a control device includes the above-mentioned control device and a rotating electric machine, which are integrated with each other.
- control device of the present invention even when the control device has a different mounting direction of the external-connection connector or includes a different type of the external-connection connector, the same housing, heat sink, and control section can be used. As a result, manufacturing cost can be significantly reduced.
- the rotating electric machine integral with a control device of the present invention even when the rotating electric machine integral with a control device has a different mounting direction of the external-connection connector or includes a different type of the external-connection connector, the same housing, heat sink, and control section can be used. As a result, manufacturing cost can be significantly reduced.
- FIG. 1 is a perspective view illustrating a control device according to a first embodiment of the present invention
- FIG. 2 is an exploded perspective view of the control device illustrated in FIG. 1 ;
- FIG. 3 is a perspective view of the housing illustrated in FIG. 2 ;
- FIG. 4 is a plan view of the housing illustrated in FIG. 3 ;
- FIG. 5 is a perspective view illustrating the relay member illustrated in FIG. 2 ;
- FIG. 6 is a perspective view illustrating the heat sink illustrated in FIG. 2 ;
- FIG. 7 is a plane view of the heat sink illustrated in FIG. 6 ;
- FIG. 8 is a perspective view of the external-connection connector illustrated in FIG. 2 ;
- FIG. 9 is a perspective view of the cover illustrated in FIG. 2 ;
- FIG. 10 is a perspective view illustrating the relay member before modifying the relay member illustrated in FIG. 5 ;
- FIG. 11 is a perspective view illustrating a heat-sink assembly
- FIG. 12 is a perspective view illustrating a control-board assembly
- FIG. 13 is a perspective view illustrating a housing assembly
- FIG. 14 is a perspective view illustrating a connector assembly
- FIG. 15 is a perspective view illustrating a control device different from the control device illustrated in FIG. 1 ;
- FIG. 16 is a perspective view illustrating an external-connection connector different from the external-connection connector illustrated in FIG. 8 ;
- FIG. 17 is a perspective view illustrating a relay member different from the relay member illustrated in FIG. 5 ;
- FIG. 18 is a perspective view illustrating a heat-sink assembly
- FIG. 19 is a perspective view illustrating a connector assembly
- FIG. 20 is a perspective view illustrating a modification of a control device
- FIG. 21 is a perspective view illustrating a modification of a control device
- FIG. 22 is a perspective view illustrating a modification of a control device
- FIG. 23 is a perspective view illustrating a modification of a control device
- FIG. 24 is a perspective view illustrating a control device according to a second embodiment of the present invention.
- FIG. 25 is schematic diagram illustrating one motor integral with a control device
- FIG. 26 is schematic diagram illustrating another motor integral with a control device
- FIG. 27 is schematic diagram illustrating still another motor integral with a control device.
- FIG. 1 is a perspective view illustrating a control device 28 according to a first embodiment of the present invention
- FIG. 2 is an exploded perspective view of the control device 28 illustrated in FIG. 1
- FIG. 3 is a perspective view of a housing 15 illustrated in FIG. 2
- FIG. 4 is a plan view of the housing 15 illustrated in FIG. 3
- FIG. 5 is a perspective view illustrating a relay member 1 A illustrated in FIG. 2
- FIG. 6 is a perspective view illustrating a heat sink 13 illustrated in FIG. 2
- FIG. 7 is a plane view of the heat sink 13 illustrated in FIG. 6 .
- the control device 28 includes the housing 15 , the relay member 1 A, and a control board 18 .
- the housing 15 includes a housing projecting portion 40 which projects in a radial direction, and the housing projecting portion 40 has a housing hole portion 16 formed therethrough.
- the relay member 1 A is housed inside the housing 15 , and includes a relay-member main body 45 and control-section connection terminals 5 , 6 , 7 , and 23 formed integrally with the relay-member main body 45 .
- the control board 18 is housed inside the housing 15 , and includes electronic components 22 to be electrically connected to the control-section connection terminals 23 to perform computation processing on external signals.
- the control board 18 and the relay member 1 A constitute a control section.
- the control device 28 further includes the heat sink 13 , an external-connection connector 8 , and a cover 17 .
- the heat sink 13 comes into surface contact with the relay member 1 A to close an opening portion of the housing 15 having a cylindrical shape with a closed end.
- the heat sink 13 includes a heat-sink projecting portion 41 projecting in the radial direction.
- the external-connection connector 8 includes connector connection terminals 9 , 10 , and 11 to be electrically connected to the control-section connection terminals 5 , 6 , and 7 .
- the cover 17 is fixed onto an upper surface of the housing projecting portion 40 by housing screws 19 to cover the housing hole portion 16 .
- a heat-sink hole portion 14 formed through the heat-sink projecting portion 41 has the same shape as the housing hole portion 16 , that is, a curved shape.
- the external-connection connector 8 includes a connector housing 43 and a retaining portion 44 .
- the connector housing 43 is fixed onto a lower surface of the heat-sink projecting portion 41 by heat-sink screws 20 .
- the retaining portion 44 is formed integrally with the connector housing 43 , and retains the connector connection terminals 9 , 10 , and 11 extended externally. The retaining portion 44 is fitted into the heat-sink hole portion 14 formed through the heat-sink projecting portion 41 .
- the connector connection terminals 9 , 10 , and 11 and the control-section connection terminals 5 , 6 , and 7 which extend in the vertical direction, are arranged so as to be opposed to each other.
- the connector connection terminals 9 , 10 , and 11 and the control-section connection terminals 5 , 6 , and 7 pass through the housing hole portion 16 to be electrically connected to each other at the respective distal end portions.
- Screw holes 12 a are formed through both end portions of the connector housing 43 .
- a pitch between the pair of screw holes 12 a is equal to each of a pitch between a pair of screw holes 12 b formed on both sides of the heat-sink hole portion 14 of the heat sink 13 and a pitch between a pair of screw holes 12 c formed on both sides of the housing hole portion 16 of the housing projecting portion 40 .
- the pitch between the pair of screw holes 12 a of the connector housing 43 is also equal to a pitch between a pair of screw holes 12 d formed through both end portions of the cover 17 .
- control device 28 having the above-mentioned configuration is described.
- FIG. 10 is a perspective view illustrating a relay member obtained immediately after insert molding (the relay member obtained immediately after the insert molding is hereinafter referred as “relay member 1 ”).
- the relay member 1 includes control-section connection terminals 2 , 3 , and 4 , which project from an end surface of a peripheral edge of the relay-member main body 45 in a horizontal direction, and the control-section connection terminals 23 , which project from the relay-member main body 45 in the vertical direction.
- the control-section connection terminals 23 have a function of retaining the control board 18 and a function of electrically connecting to the electronic components 22 of the electronic board 18 .
- each of the control-section connection terminals 2 , 3 , and 4 is bent at 90 degrees to stand vertically, thereby forming the relay member 1 A including the control-section connection terminals 5 , 6 , 7 , and 23 as illustrated in FIG. 5 .
- a heat-sink assembly 21 is manufactured by integrating the heat sink 13 and the relay member 1 A.
- the relay member 1 A and the control board 18 are electrically connected through the control-section connection terminals 23 of the relay member 1 A to manufacture a control-board assembly 24 .
- control-section connection terminals 5 , 6 , and 7 are inserted into the housing hole portion 16 to assemble the housing 15 to the control-board assembly 24 , thereby manufacturing a housing assembly 25 .
- the retaining portion 44 of the external-connection connector 8 is fitted into the heat-sink hole portion 14 of the heat-sink projecting portion 41 .
- the heat-sink screws 20 are screwed into the screw holes 12 a of the external-connection connector 8 and the screw holes 12 b of the heat sink 13 with central axes of the screw holes 12 a and 12 b being aligned with each other, thereby integrating the external-connection connector 8 and the heat sink 13 .
- distal end portions 26 a of the control-section connection terminals 5 , 6 , and 7 and distal end portions 26 b of the connector connection terminals 9 , 10 , and 11 are respectively electrically connected to each other to manufacture a connector assembly 27 illustrated in FIG. 14 .
- the screw holes 12 d of the cover 17 and the screw holes 12 c of the housing projecting portion 40 are aligned with each other.
- the cover 17 is assembled to the connector assembly 27 by using the housing screws 19 .
- the manufacturing of the control device 28 is completed.
- control device 28 A has an external-connection connector 8 A which is mounted at a position different from the position of the external-connection connector 8 mounted to the control device 28 illustrated in FIG. 1 by 180 degrees.
- the control device 28 A differs from the control device 28 only in the external-connection connector 8 A illustrated in FIG. 16 in terms of used components.
- the same housing 15 , heat sink 13 , and control board 18 are used for both the control devices 28 and 28 A.
- the relay member 1 illustrated in FIG. 10 is also used for the control device 28 A.
- the external-connection connector 8 A illustrated in FIG. 16 includes a connector housing 43 A and a retaining portion 44 A.
- the connector housing 43 A is fixed onto the upper surface of the housing projecting portion 40 by the housing screws 19 .
- the retaining portion 44 A is formed integrally with the connector housing 43 A and retains connector connection terminals 9 A, 10 A, and 11 A which are extended externally.
- the retaining portion 44 A is fitted into the housing hole portion 16 of the housing 15 .
- the pitch between the pair of screw holes 12 a formed through both end portions of the connector housing 43 A is equal to each of the pitch between the pair of screw holes 12 b of the heat sink 13 , the pitch between the pair of screw holes 12 c of the housing 15 , and the pitch between the pair of screw holes 12 d of the cover 17 .
- each of the control-section connection terminals 2 , 3 , and 4 is bent at 90 degrees in the direction opposite to that of the control-section connection terminals 5 , 6 , and 7 to stand vertically.
- a relay member 1 B including control-section connection terminals 5 A, 6 A, and 7 A is formed as illustrated in FIG. 17 .
- control-section connection terminals 5 A, 6 A, and 7 A are inserted into the heat-sink hole portion 14 to integrate the heat sink 13 and the relay member 1 B, thereby manufacturing a heat-sink assembly 21 A.
- control board 18 is placed on the relay member 1 B of the heat-sink assembly 21 A so as to be electrically connected thereto, thereby manufacturing a control-board assembly.
- the housing 15 is assembled to the control-board assembly to manufacture a housing assembly.
- the retaining portion 44 A of the external-connection connector 8 A is fitted into the housing hole portion 16 of the housing 15 , and the connector connection terminals 9 A, 10 A, and 11 A of the external-connection connector 8 A are inserted into the heat-sink hole portion 14 . Thereafter, the housing assembly and the external-connection connector 8 A are integrated by using the housing screws 19 .
- the distal end portions 26 a of the control-section connection terminals 5 A, 6 A, and 7 A and the distal end portions 26 b of the connector connection terminals 9 A, 10 A, and 11 A are respectively electrically connected to each other to manufacture a connector assembly 27 A.
- the cover 17 is fixed to the heat sink 13 by using the heat-sink screws 20 , and is then assembled to the connector assembly 27 A. In this manner, the manufacturing of the control device 28 A illustrated in FIG. 15 is completed.
- the external-connection connector 8 A of the control device 28 A described above is mounted at the position inverted at 180 degrees from the position of the external-connection connector 8 of the control device 28 .
- the present invention is also applicable to, for example, each of control devices 28 B, 28 C, 28 D, and 28 E illustrated in FIGS. 20 to 23 .
- the control devices 28 B to 28 E respectively include external-connection connectors 8 B, 8 C, 8 D, and 8 E having different shapes.
- control devices 28 B to 28 E differ from each other in the shapes of the external-connection connectors 8 B to 8 E, the same housing 15 , heat sink 13 , control board 18 , and relay member 1 as those of the control devices 28 and 28 A are used.
- the mounting position of each of the external-connection connectors 8 B, 8 C, 8 D, and 8 E can be changed by 180 degrees.
- each of the control devices 28 , 28 A, 28 B, 28 C, 28 D, and 28 E includes the housing 15 having a cylindrical shape with a closed end, the housing 15 including the housing projecting portion 40 projecting in the radial direction, and the housing hole 16 formed through the housing projecting portion 40 , the control section housed inside the housing 15 , the control section including the control-section connection terminals 5 ( 5 A), 6 ( 6 A), 7 ( 7 A), and 23 , to which the external signals are input from the outside of the housing 15 , and the electronic components 22 for performing the computation processing on the external signals, the heat sink 13 including the heat-sink projecting portion 41 projecting in the radial direction, and the heat-sink hole portion 14 formed through the heat-sink projecting portion 41 , for closing the opening portion of the housing 15 , the external-connection connector 8 ( 8 A, 8 B, 8 C, 8 D, 8 E) to be fixed to one of the housing projecting portion 40 and the heat-sink projecting portion 41 ,
- the connector connection terminals 9 ( 9 A), 10 ( 10 A), and 11 ( 11 A) and the control-section terminals 5 ( 5 A), 6 ( 6 A), and 7 ( 7 A) pass through one of the housing hole portion 16 and the heat-sink hole portion 14 , which is covered with the cover 17 , so as to be electrically connected to each other at the respective distal end portions.
- control device 28 ( 28 A, 28 B, 28 C, 28 D, 28 E) having a different mounting direction of the external-connection connector 8 ( 8 A, 8 B, 8 C, 8 D, 8 E) or including a different type of the external-connection connector 8 ( 8 A, 8 B, 8 C, 8 D, 8 E) is required
- only the external-connection connector 8 ( 8 A, 8 B, 8 C, 8 D, 8 E) of the control device 28 ( 28 A, 28 B, 28 C, 28 D, 28 E) is required to be changed while the same housing 15 , heat sink 13 , and control board 18 can be used. Therefore, the manufacturing cost of the control devices 28 , 28 A, 28 B, 28 C, 28 D, and 28 E can be remarkably reduced.
- control section includes the relay member 1 A ( 1 B) including the relay-member main body 45 and the control-section connection terminals 5 ( 5 A), 6 ( 6 A), 7 ( 7 A), and 23 formed integrally with the relay-member main body 45 , and the control board 18 including the electronic components 22 to be electrically connected to the control-section connection terminals 23 .
- the control-section connection terminals 5 ( 5 A), 6 ( 6 A), and 7 ( 7 A) are bent at a right angle with respect to the relay-member main body 45 to extend therefrom.
- the relay member 1 including the control-section connection terminals 2 , 3 , and 4 extending externally along the surface of the relay-member main body 45 is used so that the control-section connection terminals 2 , 3 , and 4 are bent at a right angle along a direction in which the connector connection terminals 9 ( 9 A), 10 ( 10 A), and 11 ( 11 A) extend. Therefore, the same relay member 1 A ( 1 B) can be used.
- the external-connection connector 8 ( 8 A, 8 B, 8 C, 8 D, 8 E) includes the connector connection terminals 9 ( 9 A), 10 ( 10 A), and 11 ( 11 A), the connector housing 43 fixed to a surface of one of the housing projecting portion 40 and the heat-sink projecting portion 41 , and the retaining portion 44 formed integrally with the connector housing 43 , for retaining the connector connection terminals 9 ( 9 A), 10 ( 10 A), and 11 ( 11 A) extended externally.
- the retaining portion 44 is fitted into one of the housing hole portion 16 and the heat-sink hole portion 14 .
- each of the external-connection connectors 8 , 8 A, 8 B, 8 C, 8 D, and 8 E can be easily positioned in a predetermined position with respect to the housing 15 and the heat sink 13 .
- the external-connection connector 8 ( 8 A, 8 B, 8 C, 8 D, 8 E) is fixed to any one of the housing projecting portion 40 and the heat-sink projecting portion 41 , the connector connection terminals 9 ( 9 A), 10 ( 10 A), and 11 ( 11 A) are respectively opposed to the control-section connection terminals 5 ( 5 A), 6 ( 6 A), and 7 ( 7 A).
- the pitches between the pair of screw holes 12 a , between the pair of screw holes 12 c , and between the pair of screw holes 12 d , for connecting the housing 15 and one of the cover 17 and the external-connection connector 8 ( 8 A, 8 B, 8 C, 8 D, 8 E) to each other, are equal to each other.
- the pitches between the pair of screw holes 12 a , between the pair of screw holes 12 b , and between the pair of screw holes 12 d , for connecting the heat sink 13 and one of the external-connection connector 8 ( 8 A, 8 B, 8 C, 8 D, 8 E) and the cover 17 to each other, are equal to each other.
- control section includes two members, that is, the control board 18 and the relay member 1 A ( 1 B) in the embodiment described above, the relay member may be omitted from the control device.
- the screws 19 and 20 are used to connect the cover 17 , the external-connection connector 8 ( 8 A, 8 B, 8 C, 8 D, 8 E), the housing 15 , and the heat sink 13 , the screws may be replaced by, for example, bolts and nuts.
- FIG. 24 is a perspective view illustrating a motor for an electric power steering device, which is a rotating electric machine integral with a control device, obtained by assembling a motor 29 to the control device 28 illustrated in FIG. 1 .
- the motor integral with the control device illustrated in FIG. 24 is a so-called “front type” motor integral with a control device.
- FIG. 25 is a schematic diagram illustrating the “front type” motor integral with a control device.
- the “front type” one includes a control device 30 provided on a pick-up side of an output shaft 32 of a motor 31 .
- FIG. 26 is a schematic diagram illustrating a “rear type” motor integral with a control device.
- the rear type one includes the control device 30 provided on the side opposite to the pick-up side of the output shaft 32 of the motor 31 .
- FIG. 27 is a schematic diagram illustrating an “add-on type” motor integral with a control device.
- the add-one type one includes the control device 30 provided in parallel to the output shaft 32 of the motor 31 .
- the above-mentioned motors for an electric power steering device differ from each other in the arrangement of the external-connection connector 8 of the control device 30 .
- the same housing 15 , heat sink 13 , and control board 18 are used in the control device 30 of the respective types of the motors integral with the control device.
- the same relay member 1 is also used for the motors illustrated in FIGS. 25 and 26 .
- the same housing 15 , heat sink 13 , and control board 18 can be used. Accordingly, the manufacturing cost can be remarkably reduced.
- the motor integral with the control device has been described as the rotating electric machine integral with the control device in the second embodiment, a power generator may be used in place of the motor.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Steering Mechanism (AREA)
- Motor Or Generator Frames (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
- 1. Field of the Invention
- The present invention relates to a control device having a structure which is adaptable to a change of a mounting direction of an external-connection connector and a change of a type of external-connection connector, and to a rotating electric machine integral with a control device, which is obtained by integrating the control device and a rotating electric machine.
- 2. Description of the Related Art
- There is conventionally known a motor for an electric power steering device, which includes an external-connection connector and a control section including control-section connection terminals electrically connected to connector connection terminals of the external-connection connector. The external-connection connector and the control section are formed as a single component (for example, see Japanese Patent No. 4551166 (page 12, FIG. 1, and
page 13, FIG. 3) and Japanese Patent Application Laid-open No. 2010-28925 (page 16, and FIGS. 1, 2, and 3)). - In the conventional motors for an electric power steering device, the control section including the control-section connection terminals and the external-connection connector are formed as a single integral component. Therefore, a different type of control device is required to be prepared, for example, when a direction of removal of the external-connection connector is different. Therefore, the conventional motors for an electric power steering device have a problem of increasing cost.
- The present invention has been made to solve the problem described above, and therefore has an object to provide a control device capable of significantly reducing cost without the need of preparing a different type of control device for each change of a mounting direction of an external-connection connector and each change of the type of external-connection connector, and provide a rotating electric machine integral with a control device, which is obtained by integrating the control device and a rotating electric machine.
- According to an exemplary embodiment of the present invention, there is provided a control device, including:
- a housing having a cylindrical shape with a closed end, the housing including a housing projecting portion, and a housing hole portion formed through the housing projecting portion projecting in a radial direction;
- a control section housed inside the housing, the control section including control-section connection terminals, to which an external signal is input from outside of the housing, and an electronic component for performing computation processing on the external signal;
- a heat sink including a heat-sink projecting portion, and a heat-sink hole portion formed through the heat-sink projecting portion projecting in the radial direction, for closing an opening portion of the housing;
- an external-connection connector to be fixed to one of the housing projecting portion and the heat-sink projecting portion, the external-connection connector including connector connection terminals to be electrically connected to the control-section connection terminals; and
- a cover to be fixed to another of the housing projecting portion and the heat-sink projecting portion,
- in which the connector connection terminals and the control-section connection terminals pass through one of the housing hole portion and the heat-sink hole portion, which is covered with the cover, so as to be electrically connected to each other at respective distal end portions.
- Further, a rotating electric machine integral with a control device according to an exemplary embodiment of the present invention includes the above-mentioned control device and a rotating electric machine, which are integrated with each other.
- According to the control device of the present invention, even when the control device has a different mounting direction of the external-connection connector or includes a different type of the external-connection connector, the same housing, heat sink, and control section can be used. As a result, manufacturing cost can be significantly reduced.
- Further, according to the rotating electric machine integral with a control device of the present invention, even when the rotating electric machine integral with a control device has a different mounting direction of the external-connection connector or includes a different type of the external-connection connector, the same housing, heat sink, and control section can be used. As a result, manufacturing cost can be significantly reduced.
-
FIG. 1 is a perspective view illustrating a control device according to a first embodiment of the present invention; -
FIG. 2 is an exploded perspective view of the control device illustrated inFIG. 1 ; -
FIG. 3 is a perspective view of the housing illustrated inFIG. 2 ; -
FIG. 4 is a plan view of the housing illustrated inFIG. 3 ; -
FIG. 5 is a perspective view illustrating the relay member illustrated inFIG. 2 ; -
FIG. 6 is a perspective view illustrating the heat sink illustrated inFIG. 2 ; -
FIG. 7 is a plane view of the heat sink illustrated inFIG. 6 ; -
FIG. 8 is a perspective view of the external-connection connector illustrated inFIG. 2 ; -
FIG. 9 is a perspective view of the cover illustrated inFIG. 2 ; -
FIG. 10 is a perspective view illustrating the relay member before modifying the relay member illustrated inFIG. 5 ; -
FIG. 11 is a perspective view illustrating a heat-sink assembly; -
FIG. 12 is a perspective view illustrating a control-board assembly; -
FIG. 13 is a perspective view illustrating a housing assembly; -
FIG. 14 is a perspective view illustrating a connector assembly; -
FIG. 15 is a perspective view illustrating a control device different from the control device illustrated inFIG. 1 ; -
FIG. 16 is a perspective view illustrating an external-connection connector different from the external-connection connector illustrated inFIG. 8 ; -
FIG. 17 is a perspective view illustrating a relay member different from the relay member illustrated inFIG. 5 ; -
FIG. 18 is a perspective view illustrating a heat-sink assembly; -
FIG. 19 is a perspective view illustrating a connector assembly; -
FIG. 20 is a perspective view illustrating a modification of a control device; -
FIG. 21 is a perspective view illustrating a modification of a control device; -
FIG. 22 is a perspective view illustrating a modification of a control device; -
FIG. 23 is a perspective view illustrating a modification of a control device; -
FIG. 24 is a perspective view illustrating a control device according to a second embodiment of the present invention; -
FIG. 25 is schematic diagram illustrating one motor integral with a control device; -
FIG. 26 is schematic diagram illustrating another motor integral with a control device; -
FIG. 27 is schematic diagram illustrating still another motor integral with a control device. - Referring to the accompanying drawings, embodiments of the present invention are described below. In the drawings, the same or corresponding components and parts are denoted by the same reference symbols.
-
FIG. 1 is a perspective view illustrating acontrol device 28 according to a first embodiment of the present invention,FIG. 2 is an exploded perspective view of thecontrol device 28 illustrated inFIG. 1 ,FIG. 3 is a perspective view of ahousing 15 illustrated inFIG. 2 ,FIG. 4 is a plan view of thehousing 15 illustrated inFIG. 3 ,FIG. 5 is a perspective view illustrating arelay member 1A illustrated inFIG. 2 ,FIG. 6 is a perspective view illustrating aheat sink 13 illustrated inFIG. 2 , andFIG. 7 is a plane view of theheat sink 13 illustrated inFIG. 6 . - The
control device 28 according to the first embodiment includes thehousing 15, therelay member 1A, and acontrol board 18. Thehousing 15 includes ahousing projecting portion 40 which projects in a radial direction, and thehousing projecting portion 40 has ahousing hole portion 16 formed therethrough. Therelay member 1A is housed inside thehousing 15, and includes a relay-membermain body 45 and control-section connection terminals main body 45. Thecontrol board 18 is housed inside thehousing 15, and includeselectronic components 22 to be electrically connected to the control-section connection terminals 23 to perform computation processing on external signals. Thecontrol board 18 and therelay member 1A constitute a control section. - The
control device 28 further includes theheat sink 13, an external-connection connector 8, and acover 17. Theheat sink 13 comes into surface contact with therelay member 1A to close an opening portion of thehousing 15 having a cylindrical shape with a closed end. Theheat sink 13 includes a heat-sink projecting portion 41 projecting in the radial direction. The external-connection connector 8 includesconnector connection terminals section connection terminals cover 17 is fixed onto an upper surface of thehousing projecting portion 40 byhousing screws 19 to cover thehousing hole portion 16. - A heat-
sink hole portion 14 formed through the heat-sink projecting portion 41 has the same shape as thehousing hole portion 16, that is, a curved shape. - The external-
connection connector 8 includes aconnector housing 43 and a retainingportion 44. Theconnector housing 43 is fixed onto a lower surface of the heat-sink projecting portion 41 by heat-sink screws 20. The retainingportion 44 is formed integrally with theconnector housing 43, and retains theconnector connection terminals portion 44 is fitted into the heat-sink hole portion 14 formed through the heat-sink projecting portion 41. - The
connector connection terminals section connection terminals connector connection terminals section connection terminals housing hole portion 16 to be electrically connected to each other at the respective distal end portions. - Screw holes 12 a are formed through both end portions of the
connector housing 43. A pitch between the pair of screw holes 12 a is equal to each of a pitch between a pair of screw holes 12 b formed on both sides of the heat-sink hole portion 14 of theheat sink 13 and a pitch between a pair of screw holes 12 c formed on both sides of thehousing hole portion 16 of thehousing projecting portion 40. - The pitch between the pair of screw holes 12 a of the
connector housing 43 is also equal to a pitch between a pair of screw holes 12 d formed through both end portions of thecover 17. - In the following, a method of manufacturing the
control device 28 having the above-mentioned configuration is described. -
FIG. 10 is a perspective view illustrating a relay member obtained immediately after insert molding (the relay member obtained immediately after the insert molding is hereinafter referred as “relay member 1”). - The relay member 1 includes control-
section connection terminals 2, 3, and 4, which project from an end surface of a peripheral edge of the relay-membermain body 45 in a horizontal direction, and the control-section connection terminals 23, which project from the relay-membermain body 45 in the vertical direction. The control-section connection terminals 23 have a function of retaining thecontrol board 18 and a function of electrically connecting to theelectronic components 22 of theelectronic board 18. - Next, each of the control-
section connection terminals 2, 3, and 4 is bent at 90 degrees to stand vertically, thereby forming therelay member 1A including the control-section connection terminals FIG. 5 . - Thereafter, as illustrated in
FIG. 11 , a heat-sink assembly 21 is manufactured by integrating theheat sink 13 and therelay member 1A. - Next, as illustrated in
FIG. 12 , therelay member 1A and thecontrol board 18 are electrically connected through the control-section connection terminals 23 of therelay member 1A to manufacture a control-board assembly 24. - Thereafter, as illustrated in
FIG. 13 , the control-section connection terminals housing hole portion 16 to assemble thehousing 15 to the control-board assembly 24, thereby manufacturing ahousing assembly 25. - Next, the retaining
portion 44 of the external-connection connector 8 is fitted into the heat-sink hole portion 14 of the heat-sink projecting portion 41. The heat-sink screws 20 are screwed into the screw holes 12 a of the external-connection connector 8 and the screw holes 12 b of theheat sink 13 with central axes of the screw holes 12 a and 12 b being aligned with each other, thereby integrating the external-connection connector 8 and theheat sink 13. - Subsequently,
distal end portions 26 a of the control-section connection terminals distal end portions 26 b of theconnector connection terminals connector assembly 27 illustrated inFIG. 14 . - As a final step, the screw holes 12 d of the
cover 17 and the screw holes 12 c of thehousing projecting portion 40 are aligned with each other. In this state, thecover 17 is assembled to theconnector assembly 27 by using the housing screws 19. In this manner, the manufacturing of thecontrol device 28 is completed. - Next, a method of manufacturing a
control device 28A is described. As illustrated inFIG. 15 , thecontrol device 28A has an external-connection connector 8A which is mounted at a position different from the position of the external-connection connector 8 mounted to thecontrol device 28 illustrated inFIG. 1 by 180 degrees. - The
control device 28A differs from thecontrol device 28 only in the external-connection connector 8A illustrated inFIG. 16 in terms of used components. Thesame housing 15,heat sink 13, and controlboard 18 are used for both thecontrol devices FIG. 10 is also used for thecontrol device 28A. - The external-
connection connector 8A illustrated inFIG. 16 includes aconnector housing 43A and a retainingportion 44A. Theconnector housing 43A is fixed onto the upper surface of thehousing projecting portion 40 by the housing screws 19. The retainingportion 44A is formed integrally with theconnector housing 43A and retainsconnector connection terminals - The retaining
portion 44A is fitted into thehousing hole portion 16 of thehousing 15. - The pitch between the pair of screw holes 12 a formed through both end portions of the
connector housing 43A is equal to each of the pitch between the pair of screw holes 12 b of theheat sink 13, the pitch between the pair of screw holes 12 c of thehousing 15, and the pitch between the pair of screw holes 12 d of thecover 17. - First, in contrast to the
relay member 1A illustrated inFIG. 5 , each of the control-section connection terminals 2, 3, and 4 is bent at 90 degrees in the direction opposite to that of the control-section connection terminals relay member 1B including control-section connection terminals FIG. 17 . - Thereafter, as illustrated in
FIG. 18 , the control-section connection terminals sink hole portion 14 to integrate theheat sink 13 and therelay member 1B, thereby manufacturing a heat-sink assembly 21A. - Next, the
control board 18 is placed on therelay member 1B of the heat-sink assembly 21A so as to be electrically connected thereto, thereby manufacturing a control-board assembly. - Thereafter, the
housing 15 is assembled to the control-board assembly to manufacture a housing assembly. - Next, as illustrated in
FIG. 19 , the retainingportion 44A of the external-connection connector 8A is fitted into thehousing hole portion 16 of thehousing 15, and theconnector connection terminals connection connector 8A are inserted into the heat-sink hole portion 14. Thereafter, the housing assembly and the external-connection connector 8A are integrated by using the housing screws 19. - Subsequently, the
distal end portions 26 a of the control-section connection terminals distal end portions 26 b of theconnector connection terminals connector assembly 27A. - As a final step, the
cover 17 is fixed to theheat sink 13 by using the heat-sink screws 20, and is then assembled to theconnector assembly 27A. In this manner, the manufacturing of thecontrol device 28A illustrated inFIG. 15 is completed. - As can be understood from
FIGS. 1 and 15 , the external-connection connector 8A of thecontrol device 28A described above is mounted at the position inverted at 180 degrees from the position of the external-connection connector 8 of thecontrol device 28. The present invention is also applicable to, for example, each ofcontrol devices FIGS. 20 to 23 . Thecontrol devices 28B to 28E respectively include external-connection connectors - Specifically, although the
control devices 28B to 28E differ from each other in the shapes of the external-connection connectors 8B to 8E, thesame housing 15,heat sink 13,control board 18, and relay member 1 as those of thecontrol devices - Even for each of the
control devices connection connectors - As described above, each of the control devices 28, 28A, 28B, 28C, 28D, and 28E according to the first embodiment includes the housing 15 having a cylindrical shape with a closed end, the housing 15 including the housing projecting portion 40 projecting in the radial direction, and the housing hole 16 formed through the housing projecting portion 40, the control section housed inside the housing 15, the control section including the control-section connection terminals 5 (5A), 6 (6A), 7 (7A), and 23, to which the external signals are input from the outside of the housing 15, and the electronic components 22 for performing the computation processing on the external signals, the heat sink 13 including the heat-sink projecting portion 41 projecting in the radial direction, and the heat-sink hole portion 14 formed through the heat-sink projecting portion 41, for closing the opening portion of the housing 15, the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) to be fixed to one of the housing projecting portion 40 and the heat-sink projecting portion 41, the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) including the connector connection terminals 9 (9A), 10 (10A), and 11 (11A) to be electrically connected to the control-section terminals 5 (5A), 6 (6A), and 7(7A), and the cover 17 to be fixed to another of the housing projecting portion 40 and the heat-sink projecting portion 41. The connector connection terminals 9 (9A), 10 (10A), and 11 (11A) and the control-section terminals 5 (5A), 6 (6A), and 7(7A) pass through one of the
housing hole portion 16 and the heat-sink hole portion 14, which is covered with thecover 17, so as to be electrically connected to each other at the respective distal end portions. - Therefore, when the control device 28 (28A, 28B, 28C, 28D, 28E) having a different mounting direction of the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) or including a different type of the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) is required, only the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) of the control device 28 (28A, 28B, 28C, 28D, 28E) is required to be changed while the
same housing 15,heat sink 13, and controlboard 18 can be used. Therefore, the manufacturing cost of thecontrol devices - Moreover, the control section includes the
relay member 1A (1B) including the relay-membermain body 45 and the control-section connection terminals 5 (5A), 6 (6A), 7(7A), and 23 formed integrally with the relay-membermain body 45, and thecontrol board 18 including theelectronic components 22 to be electrically connected to the control-section connection terminals 23. The control-section connection terminals 5 (5A), 6 (6A), and 7(7A) are bent at a right angle with respect to the relay-membermain body 45 to extend therefrom. - Therefore, when the mounting position of the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) is to be inverted at 180 degrees, the relay member 1 including the control-
section connection terminals 2, 3, and 4 extending externally along the surface of the relay-membermain body 45 is used so that the control-section connection terminals 2, 3, and 4 are bent at a right angle along a direction in which the connector connection terminals 9 (9A), 10 (10A), and 11 (11A) extend. Therefore, thesame relay member 1A (1B) can be used. - Moreover, the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) includes the connector connection terminals 9(9A), 10 (10A), and 11 (11A), the
connector housing 43 fixed to a surface of one of thehousing projecting portion 40 and the heat-sink projecting portion 41, and the retainingportion 44 formed integrally with theconnector housing 43, for retaining the connector connection terminals 9(9A), 10 (10A), and 11 (11A) extended externally. The retainingportion 44 is fitted into one of thehousing hole portion 16 and the heat-sink hole portion 14. - Accordingly, each of the external-
connection connectors housing 15 and theheat sink 13. - Moreover, when the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) is fixed to any one of the
housing projecting portion 40 and the heat-sink projecting portion 41, the connector connection terminals 9(9A), 10 (10A), and 11 (11A) are respectively opposed to the control-section connection terminals 5 (5A), 6 (6A), and 7 (7A). - Therefore, workability in electrical connection between the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) and control-section connection terminals 5 (5A), 6 (6A), and 7 (7A) is improved.
- The pitches between the pair of screw holes 12 a, between the pair of screw holes 12 c, and between the pair of screw holes 12 d, for connecting the
housing 15 and one of thecover 17 and the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) to each other, are equal to each other. The pitches between the pair of screw holes 12 a, between the pair of screw holes 12 b, and between the pair of screw holes 12 d, for connecting theheat sink 13 and one of the external-connection connector 8 (8A, 8B, 8C, 8D, 8E) and thecover 17 to each other, are equal to each other. - Thus, fastening workability for each of the
housing 15, thecover 17, the external-connection connector 8 (8A, 8B, 8C, 8D, 8E), and theheat sink 13 using the screws is improved. - Although the control section includes two members, that is, the
control board 18 and therelay member 1A (1B) in the embodiment described above, the relay member may be omitted from the control device. - Moreover, although the
screws cover 17, the external-connection connector 8 (8A, 8B, 8C, 8D, 8E), thehousing 15, and theheat sink 13, the screws may be replaced by, for example, bolts and nuts. -
FIG. 24 is a perspective view illustrating a motor for an electric power steering device, which is a rotating electric machine integral with a control device, obtained by assembling amotor 29 to thecontrol device 28 illustrated inFIG. 1 . - The motor integral with the control device illustrated in
FIG. 24 is a so-called “front type” motor integral with a control device.FIG. 25 is a schematic diagram illustrating the “front type” motor integral with a control device. The “front type” one includes acontrol device 30 provided on a pick-up side of anoutput shaft 32 of amotor 31. -
FIG. 26 is a schematic diagram illustrating a “rear type” motor integral with a control device. The rear type one includes thecontrol device 30 provided on the side opposite to the pick-up side of theoutput shaft 32 of themotor 31. -
FIG. 27 is a schematic diagram illustrating an “add-on type” motor integral with a control device. The add-one type one includes thecontrol device 30 provided in parallel to theoutput shaft 32 of themotor 31. - The above-mentioned motors for an electric power steering device differ from each other in the arrangement of the external-
connection connector 8 of thecontrol device 30. However, thesame housing 15,heat sink 13, and controlboard 18 are used in thecontrol device 30 of the respective types of the motors integral with the control device. Moreover, for the motors illustrated inFIGS. 25 and 26 , the same relay member 1 is also used. - Therefore, in the motor for an electric power steering device according to the second embodiment, even for the motor integral with the control device which has a different mounting direction of the external-
connection connector 8 or includes a different type of the external-connection connector 8, thesame housing 15,heat sink 13, and controlboard 18 can be used. Accordingly, the manufacturing cost can be remarkably reduced. - Although the motor integral with the control device has been described as the rotating electric machine integral with the control device in the second embodiment, a power generator may be used in place of the motor.
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-118527 | 2012-05-24 | ||
JP2012118527A JP5377710B2 (en) | 2012-05-24 | 2012-05-24 | Control device and control device-integrated rotating electric machine |
Publications (2)
Publication Number | Publication Date |
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US20130313929A1 true US20130313929A1 (en) | 2013-11-28 |
US9397530B2 US9397530B2 (en) | 2016-07-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/871,568 Active 2034-12-13 US9397530B2 (en) | 2012-05-24 | 2013-04-26 | Control device and rotating electric machine integral with control device |
Country Status (4)
Country | Link |
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US (1) | US9397530B2 (en) |
JP (1) | JP5377710B2 (en) |
CN (1) | CN103427562B (en) |
DE (1) | DE102013209315B4 (en) |
Cited By (7)
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US20160134178A1 (en) * | 2013-07-08 | 2016-05-12 | Fagor, S. Coop | Electric drive device |
EP3133720A4 (en) * | 2014-05-01 | 2017-12-20 | Mitsubishi Electric Corporation | Vehicle control device |
US10285286B2 (en) * | 2013-10-04 | 2019-05-07 | Mitsubishi Electric Corporation | Electronic control device and method of manufacturing same, and electric power steering control device |
US11088594B2 (en) * | 2016-11-23 | 2021-08-10 | Nidec Corporation | Motor and electric power steering device |
US20210300458A1 (en) * | 2020-03-31 | 2021-09-30 | Steering Solutions Ip Holding Corporation | Power pack flexible electrical connector location |
US11152755B2 (en) | 2016-04-19 | 2021-10-19 | Mitsubishi Electric Corporation | Connector device manufacturing method |
US11634168B2 (en) * | 2017-09-28 | 2023-04-25 | Nidec Corporation | Motor including connector and connector pin and electric power steering device including same |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JPWO2015119224A1 (en) * | 2014-02-05 | 2017-03-30 | 日本電産エレシス株式会社 | In-vehicle electronic control unit and in-vehicle electromechanical integrated electric motor |
JP5999152B2 (en) * | 2014-09-01 | 2016-09-28 | 日本精工株式会社 | CONNECTION PARTS FOR ELECTRIC MOTOR AND ITS CONTROL DEVICE, CONNECTION STRUCTURE OF ELECTRIC MOTOR AND ITS CONTROL DEVICE USING THE SAME, ELECTRIC POWER STEERING DEVICE USING THE SAME, ELECTRIC ACTUATOR, AND VEHICLE |
CN107041165B (en) | 2014-11-14 | 2019-07-23 | 三菱电机株式会社 | Control unit and the electric power steering apparatus for having used the control unit |
FR3029033B1 (en) * | 2014-11-20 | 2016-12-02 | Valeo Equip Electr Moteur | ALTERNATIVE-CONTINUOUS CONVERTER |
JP6556580B2 (en) * | 2015-09-30 | 2019-08-07 | 日本電産サンキョー株式会社 | Motor and motor manufacturing method |
FR3043150B1 (en) * | 2015-10-29 | 2019-10-11 | Valeo Systemes Thermiques | FAN MOTOR ASSEMBLY AND HEATING, VENTILATION AND / OR AIR CONDITIONING SYSTEM FOR A CORRESPONDING MOTOR VEHICLE |
CN111033961B (en) * | 2017-08-23 | 2022-02-18 | 三菱电机株式会社 | Electric power steering apparatus |
JP6593815B2 (en) * | 2018-02-21 | 2019-10-23 | 三菱電機株式会社 | Electric power steering device |
JPWO2022180660A1 (en) * | 2021-02-24 | 2022-09-01 | ||
WO2023095217A1 (en) * | 2021-11-24 | 2023-06-01 | 株式会社ジェイテクト | Motor device and motor control device |
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- 2013-05-21 DE DE102013209315.2A patent/DE102013209315B4/en not_active Expired - Fee Related
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US20160134178A1 (en) * | 2013-07-08 | 2016-05-12 | Fagor, S. Coop | Electric drive device |
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US10285286B2 (en) * | 2013-10-04 | 2019-05-07 | Mitsubishi Electric Corporation | Electronic control device and method of manufacturing same, and electric power steering control device |
EP3133720A4 (en) * | 2014-05-01 | 2017-12-20 | Mitsubishi Electric Corporation | Vehicle control device |
US10199902B2 (en) | 2014-05-01 | 2019-02-05 | Mitsubishi Electric Corporation | Automotive controlling apparatus |
US11152755B2 (en) | 2016-04-19 | 2021-10-19 | Mitsubishi Electric Corporation | Connector device manufacturing method |
US11088594B2 (en) * | 2016-11-23 | 2021-08-10 | Nidec Corporation | Motor and electric power steering device |
US11522408B2 (en) | 2016-11-23 | 2022-12-06 | Nidec Corporation | Motor and electric power steering device |
US11634168B2 (en) * | 2017-09-28 | 2023-04-25 | Nidec Corporation | Motor including connector and connector pin and electric power steering device including same |
US20210300458A1 (en) * | 2020-03-31 | 2021-09-30 | Steering Solutions Ip Holding Corporation | Power pack flexible electrical connector location |
Also Published As
Publication number | Publication date |
---|---|
DE102013209315A1 (en) | 2013-11-28 |
CN103427562A (en) | 2013-12-04 |
US9397530B2 (en) | 2016-07-19 |
CN103427562B (en) | 2016-07-13 |
JP5377710B2 (en) | 2013-12-25 |
DE102013209315B4 (en) | 2023-01-26 |
JP2013247729A (en) | 2013-12-09 |
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